JUMO diraVIEW Series Manuals

Manuals and User Guides for JUMO diraVIEW Series. We have 1 JUMO diraVIEW Series manual available for free PDF download: Interface Description

JUMO diraVIEW Series Interface Description

JUMO diraVIEW Series Interface Description (40 pages)

Compact controller/digital indicator

Brand: JUMO | Category: Controller | Size: 1 MB

Table of Contents

Table of Contents
3
1 Introduction

5
2 Interface

7
3 Modbus Protocol Description

13
- Master-Slave Principle
  13
- Transmission Mode
  13
- Chronological Sequence of Communication
  14
- Structure of a Modbus Telegram
  15
- Device Address (RS485)
  16
- Function Codes
  16
- Reading N Words
  17
- Writing One Word
  18
- Writing N Words
  19
- Transmission Formats
  20
- Integer Values
  20
- Float Values
  20
- Checksum (CRC16)
  22
- Error Messages
  23
- Modbus Error Codes
  23
- Error Messages for Invalid Values
  24
4 Modbus Addresses

25
- Data Types and Access Types
  25
- Addresses
  26
- Configuration Data
  26
- Commands
  31
- Process Values
  33

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